/Engine/Plugins/Experimental/Mutable/Source/MutableRuntime/Public/MuR/System.h
Create a new instance from the given model. The instance can then be configured through calls to BeginUpdate/EndUpdate. A call to NewInstance must be paired to a call to ReleasesInstance when the instance is no longer needed.
An identifier that is always bigger than 0.
[Instance::ID](API\Plugins\MutableRuntime\MuR\Instance\ID) NewInstance ( const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< const [Model](API\Plugins\MutableRuntime\MuR\Model) > & Model )